This article describes how to upgrade Nexus Hybrid Access Gateway, either from the admin GUI or from the console. This instruction is written with examples from upgrading Hybrid Access Gateway from the release 5.8 to 5.9.
There is a service window planned, since the upgrade will result in a short downtime
There is a backup or snapshot of the current release
How to upgrade from admin GUI
Log on to administration interface
Log on to the administration interface with your admin user.
Download new version
If there are newer versions, the upgrade button is marked red. Click Upgrade. Newer versions are shown.
Download the latest version. The new version is downloaded in the background. You can log out, and the download will proceed. The download normally takes a few minutes, depending on your internet connection. When the download is finished, Status is set to Ready.
Upgrade new version
For the downloaded version, click Upgrade.
Click Yes to confirm the upgrade. When you confirm the upgrade, the system will be out of service for a short while. The services are turned off, the configuration data is migrated to the new version, and the system is rebooted.
Log on to the administration interface with your admin user. The Upgrade button is not marked red anymore. The Publish button is marked blue, because the configuration data has been migrated.
Click Publish. The upgrade is done.
How to upgrade from console
Hybrid Access Gateway can be upgraded from the console, for example when the deployment is distributed. For distributed deployment of HAG, several appliances with different services on, the web administrator interface is only available on the node hosting the administration service. On the other nodes, upgrade using the console instead. It can be done directly in the console or through ssh, for example.
Log on to console
Log in to the console with User Name: agadmin.
Download new version
Select 3) Upgrade System
Select 1) Download Available newer versions are displayed. Select the latest version. Download starts. Progress and estimated time left is shown.
Upgrade to new version
Select 3) upgrade ([downloaded new version])
Do you want to continue? (y/n). Confirm by typing "y" When you confirm the upgrade, the system will be out of service for a short while. The services are turned off, the configuration data is migrated to the new version, and the system is rebooted.
When the reboot is finished, on the node hosting the admin service, log on to the web based administration interface and click Publish.